This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
| n | a(n) |
|---|---|
| 0 | 4 |
| 1 | 10 |
| 2 | 14 |
| 3 | 24 |
| 4 | 38 |
| 5 | 62 |
| 6 | 100 |
| 7 | 162 |
| 8 | 262 |
| 9 | 424 |
| 10 | 686 |
| 11 | 1110 |
| 12 | 1796 |
| 13 | 2906 |
| 14 | 4702 |
| 15 | 7608 |
| 16 | 12310 |
| 17 | 19918 |
| 18 | 32228 |
| 19 | 52146 |
| 20 | 84374 |
| 21 | 136520 |
| 22 | 220894 |
| 23 | 357414 |
| 24 | 578308 |
| 25 | 935722 |
| 26 | 1514030 |
| 27 | 2449752 |
| 28 | 3963782 |
| 29 | 6413534 |
| 30 | 10377316 |
| 31 | 16790850 |
| 32 | 27168166 |
| 33 | 43959016 |
| 34 | 71127182 |
| 35 | 115086198 |
| 36 | 186213380 |